*/
extern void meshlink_close(meshlink_handle_t *mesh);
+/// Destroy a MeshLink instance.
+/** This function remove all configuration files of a MeshLink instance. It should only be called when the application
+ * does not have an open handle to this instance. Afterwards, a call to meshlink_open() will create a completely
+ * new instance.
+ *
+ * @param confbase The directory in which MeshLink stores its configuration files.
+ * After the function returns, the application is free to overwrite or free @a confbase @a.
+ *
+ * @return This function will return true if the MeshLink instance was succesfully destroyed, false otherwise.
+ */
+extern bool meshlink_destroy(const char *confbase);
+
/// A callback for receiving data from the mesh.
/** @param mesh A handle which represents an instance of MeshLink.
* @param source A pointer to a meshlink_node_t describing the source of the data.
*/
extern ssize_t meshlink_get_pmtu(meshlink_handle_t *mesh, meshlink_node_t *destination);
+/// Get a handle for our own node.
+/** This function returns a handle for the local node.
+ *
+ * @param mesh A handle which represents an instance of MeshLink.
+ *
+ * @return A pointer to a meshlink_node_t which represents the local node.
+ * The pointer is guaranteed to be valid until meshlink_close() is called.
+ */
+extern meshlink_node_t *meshlink_get_self(meshlink_handle_t *mesh);
+
/// Get a handle for a specific node.
/** This function returns a handle for the node with the given name.
*
*/
extern bool meshlink_add_address(meshlink_handle_t *mesh, const char *address);
+/// Try to discover the external address for the local node.
+/** This function performs tries to discover the local node's external address
+ * by contacting the meshlink.io server. If a reverse lookup of the address works,
+ * the FQDN associated with the address will be returned.
+ *
+ * Please note that this is function only returns a single address,
+ * even if the local node might have more than one external address.
+ * In that case, there is no control over which address will be selected.
+ * Also note that if you have a dynamic IP address, or are behind carrier-grade NAT,
+ * there is no guarantee that the external address will be valid for an extended period of time.
+ *
+ * @param mesh A handle which represents an instance of MeshLink.
+ * @param address A nul-terminated C string containing the address, which can be either in numeric format or a hostname.
+ *
+ * @return This function returns a pointer to a C string containing the discovered external address,
+ * or NULL if there was an error looking up the address.
+ * After meshlink_get_external_address() returns, the application is free to overwrite or free this string.
+ */
+extern char *meshlink_get_external_address(meshlink_handle_t *mesh);
+
+/// Try to discover the external address for the local node, and add it to its list of addresses.
+/** This function is equivalent to:
+ *
+ * meshlink_add_address(mesh, meshlink_get_external_address(mesh));
+ *
+ * Read the description of meshlink_get_external_address() for the limitations of this function.
+ *
+ * @param mesh A handle which represents an instance of MeshLink.
+ *
+ * @return This function returns true if the address was added, false otherwise.
+ */
+extern bool meshlink_add_external_address(meshlink_handle_t *mesh);
+
+/// Get the network port used by the local node.
+/** This function returns the network port that the local node is listening on.
+ *
+ * @param mesh A handle which represents an instance of MeshLink.
+ *
+ * @return This function returns the port number, or -1 in case of an error.
+ */
+extern int meshlink_get_port(meshlink_handle_t *mesh);
+
+/// Set the network port used by the local node.
+/** This function sets the network port that the local node is listening on.
+ * It may only be called when the mesh is not running.
+ * If unsure, call meshlink_stop() before calling this function.
+ * Also note that if your node is already part of a mesh with other nodes,
+ * that the other nodes may no longer be able to initiate connections to the local node,
+ * since they will try to connect to the previously configured port.
+ *
+ * @param mesh A handle which represents an instance of MeshLink.
+ * @param port The port number to listen on. This must be between 0 and 65535.
+ * If the port is set to 0, then MeshLink will listen on a port
+ * that is randomly assigned by the operating system every time meshlink_open() is called.
+ *
+ * @return This function returns true if the port was succesfully changed, false otherwise.
+ */
+
+extern bool meshlink_set_port(meshlink_handle_t *mesh, int port);
+
/// Invite another node into the mesh.
/** This function generates an invitation that can be used by another node to join the same mesh as the local node.
* The generated invitation is a string containing a URL.